11897290 has 16 divisors (see below), whose sum is σ = 21559680. Its totient is φ = 4726800.

The previous prime is 11897267. The next prime is 11897299. The reversal of 11897290 is 9279811.

11897290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11897299) 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, 2430 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (1347480).

Almost surely, 2^11897290 is an apocalyptic number.

11897290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11897290 is a deficient number, since it is larger than the sum of its proper divisors (9662390).

11897290 is a wasteful number, since it uses less digits than its factorization.

11897290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 11897290 is about 3449.2448448900. The cubic root of 11897290 is about 228.2877893546.

The spelling of 11897290 in words is "eleven million, eight hundred ninety-seven thousand, two hundred ninety".