13278652 has 12 divisors (see below), whose sum is σ = 23349256. Its totient is φ = 6607440.

The previous prime is 13278637. The next prime is 13278667. The reversal of 13278652 is 25687231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13278637) and next prime (13278667).

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, 7023 + ... + 8710.

Almost surely, 2^13278652 is an apocalyptic number.

It is an amenable number.

13278652 is a deficient number, since it is larger than the sum of its proper divisors (10070604).

13278652 is a wasteful number, since it uses less digits than its factorization.

13278652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15948 (or 15946 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 13278652 is about 3643.9884741859. The cubic root of 13278652 is about 236.8016167028.

The spelling of 13278652 in words is "thirteen million, two hundred seventy-eight thousand, six hundred fifty-two".