13720454 has 16 divisors (see below), whose sum is σ = 22519296. Its totient is φ = 6217800.

The previous prime is 13720439. The next prime is 13720463. The reversal of 13720454 is 45402731.

13720454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13720454² = 376501715932232, 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 7 ways as a sum of consecutive naturals, for example, 8759 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (1407456).

Almost surely, 2^13720454 is an apocalyptic number.

13720454 is a deficient number, since it is larger than the sum of its proper divisors (8798842).

13720454 is a wasteful number, since it uses less digits than its factorization.

13720454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 13720454 is about 3704.1131192230. The cubic root of 13720454 is about 239.3992730807.

The spelling of 13720454 in words is "thirteen million, seven hundred twenty thousand, four hundred fifty-four".