13022494 has 4 divisors (see below), whose sum is σ = 19533744. Its totient is φ = 6511246.

The previous prime is 13022441. The next prime is 13022497. The reversal of 13022494 is 49422031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255622 + ... + 3255625.

It is an arithmetic number, because the mean of its divisors is an integer number (4883436).

Almost surely, 2^13022494 is an apocalyptic number.

13022494 is a deficient number, since it is larger than the sum of its proper divisors (6511250).

13022494 is an equidigital number, since it uses as much as digits as its factorization.

13022494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511249.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13022494 is about 3608.6692838219. The cubic root of 13022494 is about 235.2690083769.

The spelling of 13022494 in words is "thirteen million, twenty-two thousand, four hundred ninety-four".