13944970 has 16 divisors (see below), whose sum is σ = 27032040. Its totient is φ = 5148864.

The previous prime is 13944949. The next prime is 13944979. The reversal of 13944970 is 7944931.

It can be written as a sum of positive squares in 4 ways, for example, as 3775249 + 10169721 = 1943^2 + 3189^2 .

It is not an unprimeable number, because it can be changed into a prime (13944979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53505 + ... + 53764.

Almost surely, 2^13944970 is an apocalyptic number.

13944970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13944970 is a deficient number, since it is larger than the sum of its proper divisors (13087070).

13944970 is a wasteful number, since it uses less digits than its factorization.

13944970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107289.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13944970 is about 3734.2964531488. The cubic root of 13944970 is about 240.6980257358.

The spelling of 13944970 in words is "thirteen million, nine hundred forty-four thousand, nine hundred seventy".