13143194 has 16 divisors (see below), whose sum is σ = 20701440. Its totient is φ = 6250080.

The previous prime is 13143187. The next prime is 13143197. The reversal of 13143194 is 49134131.

It is not an unprimeable number, because it can be changed into a prime (13143197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862 + ... + 5454.

It is an arithmetic number, because the mean of its divisors is an integer number (1293840).

Almost surely, 2^13143194 is an apocalyptic number.

13143194 is a deficient number, since it is larger than the sum of its proper divisors (7558246).

13143194 is a wasteful number, since it uses less digits than its factorization.

13143194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685.

The product of its digits is 1296, while the sum is 26.

The square root of 13143194 is about 3625.3543275106. The cubic root of 13143194 is about 235.9936438966.

The spelling of 13143194 in words is "thirteen million, one hundred forty-three thousand, one hundred ninety-four".