11897862 has 32 divisors (see below), whose sum is σ = 25104384. Its totient is φ = 3753600.

The previous prime is 11897861. The next prime is 11897863. The reversal of 11897862 is 26879811.

It is an interprime number because it is at equal distance from previous prime (11897861) and next prime (11897863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897861) 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, 8062 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (784512).

Almost surely, 2^11897862 is an apocalyptic number.

11897862 is an abundant number, since it is smaller than the sum of its proper divisors (13206522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11897862 is a wasteful number, since it uses less digits than its factorization.

11897862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444.

The product of its digits is 48384, while the sum is 42.

The square root of 11897862 is about 3449.3277605934. The cubic root of 11897862 is about 228.2914478495.

The spelling of 11897862 in words is "eleven million, eight hundred ninety-seven thousand, eight hundred sixty-two".