13699012 has 6 divisors (see below), whose sum is σ = 23973278. Its totient is φ = 6849504.

The previous prime is 13699003. The next prime is 13699027. The reversal of 13699012 is 21099631.

It can be written as a sum of positive squares in only one way, i.e., 8964036 + 4734976 = 2994^2 + 2176^2 .

It is a super-2 number, since 2×13699012² = 375325859552288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712373 + ... + 1712380.

Almost surely, 2^13699012 is an apocalyptic number.

It is an amenable number.

13699012 is a deficient number, since it is larger than the sum of its proper divisors (10274266).

13699012 is a wasteful number, since it uses less digits than its factorization.

13699012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424757 (or 3424755 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 13699012 is about 3701.2176374809. The cubic root of 13699012 is about 239.2744988920.

The spelling of 13699012 in words is "thirteen million, six hundred ninety-nine thousand, twelve".