13491394 has 16 divisors (see below), whose sum is σ = 23177088. Its totient is φ = 5769792.

The previous prime is 13491389. The next prime is 13491403. The reversal of 13491394 is 49319431.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9754 + ... + 11050.

It is an arithmetic number, because the mean of its divisors is an integer number (1448568).

Almost surely, 2^13491394 is an apocalyptic number.

13491394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13491394 is a deficient number, since it is larger than the sum of its proper divisors (9685694).

13491394 is a wasteful number, since it uses less digits than its factorization.

13491394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049.

The product of its digits is 11664, while the sum is 34.

The square root of 13491394 is about 3673.0632992095. The cubic root of 13491394 is about 238.0595501012.

The spelling of 13491394 in words is "thirteen million, four hundred ninety-one thousand, three hundred ninety-four".