13504012 has 6 divisors (see below), whose sum is σ = 23632028. Its totient is φ = 6752004.

The previous prime is 13503991. The next prime is 13504033. The reversal of 13504012 is 21040531.

It is an interprime number because it is at equal distance from previous prime (13503991) and next prime (13504033).

It is a super-2 number, since 2×13504012² = 364716680192288, which contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1687998 + ... + 1688005.

Almost surely, 2^13504012 is an apocalyptic number.

It is an amenable number.

13504012 is a deficient number, since it is larger than the sum of its proper divisors (10128016).

13504012 is a wasteful number, since it uses less digits than its factorization.

13504012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376007 (or 3376005 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13504012 is about 3674.7805376648. The cubic root of 13504012 is about 238.1337430628.

Adding to 13504012 its reverse (21040531), we get a palindrome (34544543).

The spelling of 13504012 in words is "thirteen million, five hundred four thousand, twelve".