11542990 has 8 divisors (see below), whose sum is σ = 20777400. Its totient is φ = 4617192.

The previous prime is 11542939. The next prime is 11542997. The reversal of 11542990 is 9924511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577140 + ... + 577159.

It is an arithmetic number, because the mean of its divisors is an integer number (2597175).

Almost surely, 2^11542990 is an apocalyptic number.

11542990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11542990 is a deficient number, since it is larger than the sum of its proper divisors (9234410).

11542990 is a wasteful number, since it uses less digits than its factorization.

11542990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154306.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 11542990 is about 3397.4976085348. The cubic root of 11542990 is about 225.9987861161.

The spelling of 11542990 in words is "eleven million, five hundred forty-two thousand, nine hundred ninety".