13861958 has 16 divisors (see below), whose sum is σ = 22740480. Its totient is φ = 6285000.

The previous prime is 13861943. The next prime is 13861973. The reversal of 13861958 is 85916831.

It is an interprime number because it is at equal distance from previous prime (13861943) and next prime (13861973).

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, 16103 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (1421280).

Almost surely, 2^13861958 is an apocalyptic number.

13861958 is a deficient number, since it is larger than the sum of its proper divisors (8878522).

13861958 is a wasteful number, since it uses less digits than its factorization.

13861958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its digits is 51840, while the sum is 41.

The square root of 13861958 is about 3723.1650514045. The cubic root of 13861958 is about 240.2194636062.

The spelling of 13861958 in words is "thirteen million, eight hundred sixty-one thousand, nine hundred fifty-eight".