1299132 has 48 divisors (see below), whose sum is σ = 3521280. Its totient is φ = 413424.

The previous prime is 1299101. The next prime is 1299143. The reversal of 1299132 is 2319921.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1299096 and 1299105.

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, 2223 + ... + 2745.

It is an arithmetic number, because the mean of its divisors is an integer number (73360).

2^1299132 is an apocalyptic number.

1299132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1299132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760640).

1299132 is an abundant number, since it is smaller than the sum of its proper divisors (2222148).

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

1299132 is a wasteful number, since it uses less digits than its factorization.

1299132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 551 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1299132 is about 1139.7947183594. The cubic root of 1299132 is about 109.1149924102.

It can be divided in two parts, 1299 and 132, that added together give a triangular number (1431 = T₅₃).

The spelling of 1299132 in words is "one million, two hundred ninety-nine thousand, one hundred thirty-two".