11899426 has 16 divisors (see below), whose sum is σ = 22253760. Its totient is φ = 4636080.

The previous prime is 11899417. The next prime is 11899429. The reversal of 11899426 is 62499811.

It is not an unprimeable number, because it can be changed into a prime (11899429) 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, 38481 + ... + 38788.

It is an arithmetic number, because the mean of its divisors is an integer number (1390860).

Almost surely, 2^11899426 is an apocalyptic number.

11899426 is a deficient number, since it is larger than the sum of its proper divisors (10354334).

11899426 is a wasteful number, since it uses less digits than its factorization.

11899426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77289.

The product of its digits is 31104, while the sum is 40.

The square root of 11899426 is about 3449.5544639852. The cubic root of 11899426 is about 228.3014505480.

The spelling of 11899426 in words is "eleven million, eight hundred ninety-nine thousand, four hundred twenty-six".