11813542 has 16 divisors (see below), whose sum is σ = 19700352. Its totient is φ = 5276160.

The previous prime is 11813537. The next prime is 11813551. The reversal of 11813542 is 24531811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6523 + ... + 8134.

It is an arithmetic number, because the mean of its divisors is an integer number (1231272).

Almost surely, 2^11813542 is an apocalyptic number.

11813542 is a deficient number, since it is larger than the sum of its proper divisors (7886810).

11813542 is a wasteful number, since it uses less digits than its factorization.

11813542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14703.

The product of its digits is 960, while the sum is 25.

The square root of 11813542 is about 3437.0833565685. The cubic root of 11813542 is about 227.7508692561.

The spelling of 11813542 in words is "eleven million, eight hundred thirteen thousand, five hundred forty-two".