13439194 has 16 divisors (see below), whose sum is σ = 21480480. Its totient is φ = 6287760.

The previous prime is 13439191. The next prime is 13439201. The reversal of 13439194 is 49193431.

It is a super-2 number, since 2×13439194² = 361223870739272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13439191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024 + ... + 5284.

It is an arithmetic number, because the mean of its divisors is an integer number (1342530).

Almost surely, 2^13439194 is an apocalyptic number.

13439194 is a deficient number, since it is larger than the sum of its proper divisors (8041286).

13439194 is a wasteful number, since it uses less digits than its factorization.

13439194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365.

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

The square root of 13439194 is about 3665.9506270543. The cubic root of 13439194 is about 237.7521252367.

The spelling of 13439194 in words is "thirteen million, four hundred thirty-nine thousand, one hundred ninety-four".