13950388 has 6 divisors (see below), whose sum is σ = 24413186. Its totient is φ = 6975192.

The previous prime is 13950383. The next prime is 13950401. The reversal of 13950388 is 88305931.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 3952144 = 3162^2 + 1988^2 .

It is a super-2 number, since 2×13950388² = 389226650701088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13950383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743795 + ... + 1743802.

Almost surely, 2^13950388 is an apocalyptic number.

It is an amenable number.

13950388 is a deficient number, since it is larger than the sum of its proper divisors (10462798).

13950388 is a wasteful number, since it uses less digits than its factorization.

13950388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487601 (or 3487599 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 13950388 is about 3735.0218205521. The cubic root of 13950388 is about 240.7291942753.

The spelling of 13950388 in words is "thirteen million, nine hundred fifty thousand, three hundred eighty-eight".