13440088 has 16 divisors (see below), whose sum is σ = 25308360. Its totient is φ = 6691200.

The previous prime is 13440083. The next prime is 13440101. The reversal of 13440088 is 88004431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440083) 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, 1558 + ... + 5413.

Almost surely, 2^13440088 is an apocalyptic number.

It is an amenable number.

13440088 is a deficient number, since it is larger than the sum of its proper divisors (11868272).

13440088 is a wasteful number, since it uses less digits than its factorization.

13440088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7218 (or 7214 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 13440088 is about 3666.0725579290. The cubic root of 13440088 is about 237.7573970232.

The spelling of 13440088 in words is "thirteen million, four hundred forty thousand, eighty-eight".