12549492 has 36 divisors (see below), whose sum is σ = 32899776. Its totient is φ = 4182840.

The previous prime is 12549487. The next prime is 12549521. The reversal of 12549492 is 29494521.

12549492 is a `hidden beast` number, since 125 + 49 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5484 + ... + 7427.

Almost surely, 2^12549492 is an apocalyptic number.

12549492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12549492 is an abundant number, since it is smaller than the sum of its proper divisors (20350284).

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

12549492 is a wasteful number, since it uses less digits than its factorization.

12549492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12930 (or 12916 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12549492 is about 3542.5262172636. The cubic root of 12549492 is about 232.3853336757.

It can be divided in two parts, 12549 and 492, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12549492 in words is "twelve million, five hundred forty-nine thousand, four hundred ninety-two".