13667914 has 16 divisors (see below), whose sum is σ = 22143240. Its totient is φ = 6289920.

The previous prime is 13667891. The next prime is 13667921. The reversal of 13667914 is 41976631.

It can be written as a sum of positive squares in 4 ways, for example, as 6671889 + 6996025 = 2583^2 + 2645^2 .

It is a super-2 number, since 2×13667914² = 373623746222792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13042 + ... + 14050.

Almost surely, 2^13667914 is an apocalyptic number.

13667914 is a deficient number, since it is larger than the sum of its proper divisors (8475326).

13667914 is a wasteful number, since it uses less digits than its factorization.

13667914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545.

The product of its digits is 27216, while the sum is 37.

The square root of 13667914 is about 3697.0142006760. The cubic root of 13667914 is about 239.0933034396.

The spelling of 13667914 in words is "thirteen million, six hundred sixty-seven thousand, nine hundred fourteen".