13902863 has 4 divisors (see below), whose sum is σ = 14972328. Its totient is φ = 12833400.

The previous prime is 13902853. The next prime is 13902871. The reversal of 13902863 is 36820931.

13902863 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36820931 = 7 ⋅5260133.

It is a cyclic number.

It is not a de Polignac number, because 13902863 - 2⁸ = 13902607 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 (13902853) 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, 534713 + ... + 534738.

It is an arithmetic number, because the mean of its divisors is an integer number (3743082).

Almost surely, 2^13902863 is an apocalyptic number.

13902863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13902863 is a deficient number, since it is larger than the sum of its proper divisors (1069465).

13902863 is a wasteful number, since it uses less digits than its factorization.

13902863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069464.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13902863 is about 3728.6543148970. The cubic root of 13902863 is about 240.4555179856.

The spelling of 13902863 in words is "thirteen million, nine hundred two thousand, eight hundred sixty-three".