11745399 has 8 divisors (see below), whose sum is σ = 15812992. Its totient is φ = 7754040.

The previous prime is 11745379. The next prime is 11745427. The reversal of 11745399 is 99354711.

It is a happy number.

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

It is not a de Polignac number, because 11745399 - 2¹¹ = 11743351 is a prime.

It is a super-3 number, since 3×11745399³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11745359) 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, 18697 + ... + 19314.

It is an arithmetic number, because the mean of its divisors is an integer number (1976624).

Almost surely, 2^11745399 is an apocalyptic number.

11745399 is a deficient number, since it is larger than the sum of its proper divisors (4067593).

11745399 is a wasteful number, since it uses less digits than its factorization.

11745399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38117.

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

The square root of 11745399 is about 3427.1561096629. The cubic root of 11745399 is about 227.3121195670.

The spelling of 11745399 in words is "eleven million, seven hundred forty-five thousand, three hundred ninety-nine".