13662494 has 4 divisors (see below), whose sum is σ = 20493744. Its totient is φ = 6831246.

The previous prime is 13662469. The next prime is 13662521. The reversal of 13662494 is 49426631.

13662494 is digitally balanced in base 2, 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.

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, 3415622 + ... + 3415625.

It is an arithmetic number, because the mean of its divisors is an integer number (5123436).

Almost surely, 2^13662494 is an apocalyptic number.

13662494 is a deficient number, since it is larger than the sum of its proper divisors (6831250).

13662494 is an equidigital number, since it uses as much as digits as its factorization.

13662494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831249.

The product of its digits is 31104, while the sum is 35.

The square root of 13662494 is about 3696.2811040288. The cubic root of 13662494 is about 239.0616951772.

The spelling of 13662494 in words is "thirteen million, six hundred sixty-two thousand, four hundred ninety-four".