11399745 has 32 divisors (see below), whose sum is σ = 21012480. Its totient is φ = 5169600.

The previous prime is 11399683. The next prime is 11399761. The reversal of 11399745 is 54799311.

It is a happy number.

11399745 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11399745 - 2⁷ = 11399617 is a prime.

It is a super-3 number, since 3×11399745³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15496 + ... + 16214.

It is an arithmetic number, because the mean of its divisors is an integer number (656640).

Almost surely, 2^11399745 is an apocalyptic number.

11399745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11399745 is a deficient number, since it is larger than the sum of its proper divisors (9612735).

11399745 is a wasteful number, since it uses less digits than its factorization.

11399745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

The product of its digits is 34020, while the sum is 39.

The square root of 11399745 is about 3376.3508407747. The cubic root of 11399745 is about 225.0600333635.

The spelling of 11399745 in words is "eleven million, three hundred ninety-nine thousand, seven hundred forty-five".