13277428 has 12 divisors (see below), whose sum is σ = 24458560. Its totient is φ = 6289272.

The previous prime is 13277351. The next prime is 13277437. The reversal of 13277428 is 82477231.

13277428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13277393 and 13277402.

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, 87276 + ... + 87427.

Almost surely, 2^13277428 is an apocalyptic number.

It is an amenable number.

13277428 is a deficient number, since it is larger than the sum of its proper divisors (11181132).

13277428 is a wasteful number, since it uses less digits than its factorization.

13277428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174726 (or 174724 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 13277428 is about 3643.8205224736. The cubic root of 13277428 is about 236.7943405103.

The spelling of 13277428 in words is "thirteen million, two hundred seventy-seven thousand, four hundred twenty-eight".