13019149 has 16 divisors (see below), whose sum is σ = 15410304. Its totient is φ = 10843200.

The previous prime is 13019143. The next prime is 13019159. The reversal of 13019149 is 94191031.

13019149 = T₆₆ + T₆₇ + ... + T₄₂₇.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13019149 - 2⁷ = 13019021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13019143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25632 + ... + 26134.

It is an arithmetic number, because the mean of its divisors is an integer number (963144).

Almost surely, 2^13019149 is an apocalyptic number.

It is an amenable number.

13019149 is a deficient number, since it is larger than the sum of its proper divisors (2391155).

13019149 is a wasteful number, since it uses less digits than its factorization.

13019149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 13019149 is about 3608.2057868143. The cubic root of 13019149 is about 235.2488626654.

The spelling of 13019149 in words is "thirteen million, nineteen thousand, one hundred forty-nine".