13449902 has 4 divisors (see below), whose sum is σ = 20174856. Its totient is φ = 6724950.

The previous prime is 13449899. The next prime is 13449911. The reversal of 13449902 is 20994431.

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: 20994431 = 61 ⋅344171.

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, 3362474 + ... + 3362477.

It is an arithmetic number, because the mean of its divisors is an integer number (5043714).

Almost surely, 2^13449902 is an apocalyptic number.

13449902 is a deficient number, since it is larger than the sum of its proper divisors (6724954).

13449902 is an equidigital number, since it uses as much as digits as its factorization.

13449902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724953.

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

The square root of 13449902 is about 3667.4108032780. The cubic root of 13449902 is about 237.8152533752.

The spelling of 13449902 in words is "thirteen million, four hundred forty-nine thousand, nine hundred two".