13457768 has 16 divisors (see below), whose sum is σ = 25328580. Its totient is φ = 6703488.

The previous prime is 13457767. The next prime is 13457831. The reversal of 13457768 is 86775431.

13457768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13410244 + 47524 = 3662^2 + 218^2 .

It is a super-2 number, since 2×13457768² = 362223039083648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13457767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821 + ... + 5252.

Almost surely, 2^13457768 is an apocalyptic number.

It is an amenable number.

13457768 is a deficient number, since it is larger than the sum of its proper divisors (11870812).

13457768 is a wasteful number, since it uses less digits than its factorization.

13457768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356 (or 6352 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 13457768 is about 3668.4830652465. The cubic root of 13457768 is about 237.8616053913.

The spelling of 13457768 in words is "thirteen million, four hundred fifty-seven thousand, seven hundred sixty-eight".