13954919 has 16 divisors (see below), whose sum is σ = 15759744. Its totient is φ = 12247200.

The previous prime is 13954891. The next prime is 13954921. The reversal of 13954919 is 91945931.

It is a cyclic number.

It is not a de Polignac number, because 13954919 - 2⁸ = 13954663 is a prime.

It is a super-2 number, since 2×13954919² = 389479528593122, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13954939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77009 + ... + 77189.

It is an arithmetic number, because the mean of its divisors is an integer number (984984).

Almost surely, 2^13954919 is an apocalyptic number.

13954919 is a deficient number, since it is larger than the sum of its proper divisors (1804825).

13954919 is a wasteful number, since it uses less digits than its factorization.

13954919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its digits is 43740, while the sum is 41.

The square root of 13954919 is about 3735.6283273366. The cubic root of 13954919 is about 240.7552539068.

The spelling of 13954919 in words is "thirteen million, nine hundred fifty-four thousand, nine hundred nineteen".