1263492 has 24 divisors (see below), whose sum is σ = 3276000. Its totient is φ = 421128.

The previous prime is 1263487. The next prime is 1263499. The reversal of 1263492 is 2943621.

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 not an unprimeable number, because it can be changed into a prime (1263499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5742 + ... + 5957.

It is an arithmetic number, because the mean of its divisors is an integer number (136500).

2^1263492 is an apocalyptic number.

1263492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1263492 is an abundant number, since it is smaller than the sum of its proper divisors (2012508).

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

1263492 is a wasteful number, since it uses less digits than its factorization.

1263492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712 (or 11704 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1263492 is about 1124.0516002391. The cubic root of 1263492 is about 108.1079168217.

It can be divided in two parts, 12 and 63492, that added together give a square (63504 = 252²).

The spelling of 1263492 in words is "one million, two hundred sixty-three thousand, four hundred ninety-two".