13559902 has 4 divisors (see below), whose sum is σ = 20339856. Its totient is φ = 6779950.

The previous prime is 13559893. The next prime is 13559963. The reversal of 13559902 is 20995531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20995531 = 569 ⋅36899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389974 + ... + 3389977.

It is an arithmetic number, because the mean of its divisors is an integer number (5084964).

Almost surely, 2^13559902 is an apocalyptic number.

13559902 is a deficient number, since it is larger than the sum of its proper divisors (6779954).

13559902 is an equidigital number, since it uses as much as digits as its factorization.

13559902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779953.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 13559902 is about 3682.3772213069. The cubic root of 13559902 is about 238.4618178016.

The spelling of 13559902 in words is "thirteen million, five hundred fifty-nine thousand, nine hundred two".