13937730 has 16 divisors (see below), whose sum is σ = 33450624. Its totient is φ = 3716720.

The previous prime is 13937699. The next prime is 13937741. The reversal of 13937730 is 3773931.

It is a junction number, because it is equal to n+sod(n) for n = 13937691 and 13937700.

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, 232266 + ... + 232325.

It is an arithmetic number, because the mean of its divisors is an integer number (2090664).

Almost surely, 2^13937730 is an apocalyptic number.

13937730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13937730 is an abundant number, since it is smaller than the sum of its proper divisors (19512894).

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

13937730 is a wasteful number, since it uses less digits than its factorization.

13937730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464601.

The product of its (nonzero) digits is 11907, while the sum is 33.

The square root of 13937730 is about 3733.3269345183. The cubic root of 13937730 is about 240.6563630340.

The spelling of 13937730 in words is "thirteen million, nine hundred thirty-seven thousand, seven hundred thirty".