13969954 has 12 divisors (see below), whose sum is σ = 22222242. Its totient is φ = 6563840.

The previous prime is 13969927. The next prime is 13969973. The reversal of 13969954 is 45996931.

It can be written as a sum of positive squares in 3 ways, for example, as 13286025 + 683929 = 3645^2 + 827^2 .

It is a super-2 number, since 2×13969954² = 390319229524232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21474 + ... + 22114.

Almost surely, 2^13969954 is an apocalyptic number.

13969954 is a deficient number, since it is larger than the sum of its proper divisors (8252288).

13969954 is an frugal number, since it uses more digits than its factorization.

13969954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 660 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 13969954 is about 3737.6401645958. The cubic root of 13969954 is about 240.8416859396.

The spelling of 13969954 in words is "thirteen million, nine hundred sixty-nine thousand, nine hundred fifty-four".