13880951 has 4 divisors (see below), whose sum is σ = 15863952. Its totient is φ = 11897952.

The previous prime is 13880947. The next prime is 13880953. The reversal of 13880951 is 15908831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13880951 - 2² = 13880947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991490 + ... + 991503.

It is an arithmetic number, because the mean of its divisors is an integer number (3965988).

Almost surely, 2^13880951 is an apocalyptic number.

13880951 is a deficient number, since it is larger than the sum of its proper divisors (1983001).

13880951 is an equidigital number, since it uses as much as digits as its factorization.

13880951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983000.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 13880951 is about 3725.7148307405. The cubic root of 13880951 is about 240.3291259903.

The spelling of 13880951 in words is "thirteen million, eight hundred eighty thousand, nine hundred fifty-one".