13191542 has 16 divisors (see below), whose sum is σ = 24353952. Its totient is φ = 5218560.

The previous prime is 13191533. The next prime is 13191547. The reversal of 13191542 is 24519131.

13191542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13191547) 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, 36059 + ... + 36422.

It is an arithmetic number, because the mean of its divisors is an integer number (1522122).

Almost surely, 2^13191542 is an apocalyptic number.

13191542 is a deficient number, since it is larger than the sum of its proper divisors (11162410).

13191542 is a wasteful number, since it uses less digits than its factorization.

13191542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72503.

The product of its digits is 1080, while the sum is 26.

The square root of 13191542 is about 3632.0162444571. The cubic root of 13191542 is about 236.2826618896.

The spelling of 13191542 in words is "thirteen million, one hundred ninety-one thousand, five hundred forty-two".