13740432 has 40 divisors (see below), whose sum is σ = 36723840. Its totient is φ = 4421760.

The previous prime is 13740421. The next prime is 13740449. The reversal of 13740432 is 23404731.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 3544 + ... + 6327.

It is an arithmetic number, because the mean of its divisors is an integer number (918096).

Almost surely, 2^13740432 is an apocalyptic number.

13740432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13740432 is an abundant number, since it is smaller than the sum of its proper divisors (22983408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13740432 is a wasteful number, since it uses less digits than its factorization.

13740432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911 (or 9905 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13740432 is about 3706.8088701739. The cubic root of 13740432 is about 239.5154111041.

The spelling of 13740432 in words is "thirteen million, seven hundred forty thousand, four hundred thirty-two".