1233198 has 32 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 400320.

The previous prime is 1233187. The next prime is 1233209. The reversal of 1233198 is 8913321.

It is an interprime number because it is at equal distance from previous prime (1233187) and next prime (1233209).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936 + ... + 2492.

It is an arithmetic number, because the mean of its divisors is an integer number (87885).

2^1233198 is an apocalyptic number.

1233198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406160).

1233198 is an abundant number, since it is smaller than the sum of its proper divisors (1579122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233198 is a wasteful number, since it uses less digits than its factorization.

1233198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 603 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1233198 is about 1110.4944844528. The cubic root of 1233198 is about 107.2369048513.

It can be divided in two parts, 1233 and 198, that added together give a triangular number (1431 = T₅₃).

The spelling of 1233198 in words is "one million, two hundred thirty-three thousand, one hundred ninety-eight".