12749496 has 16 divisors (see below), whose sum is σ = 31873800. Its totient is φ = 4249824.

The previous prime is 12749489. The next prime is 12749501. The reversal of 12749496 is 69494721.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265591 + ... + 265638.

Almost surely, 2^12749496 is an apocalyptic number.

It is an amenable number.

12749496 is an abundant number, since it is smaller than the sum of its proper divisors (19124304).

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

12749496 is a wasteful number, since it uses less digits than its factorization.

12749496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531238 (or 531234 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 12749496 is about 3570.6436394577. The cubic root of 12749496 is about 233.6133581371.

The spelling of 12749496 in words is "twelve million, seven hundred forty-nine thousand, four hundred ninety-six".