11345439 has 16 divisors (see below), whose sum is σ = 17338112. Its totient is φ = 6464448.

The previous prime is 11345429. The next prime is 11345447. The reversal of 11345439 is 93454311.

11345439 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 11345439 - 2⁴ = 11345423 is a prime.

It is a super-2 number, since 2×11345439² = 257437972205442, which contains 22 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 (11345419) 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, 10467 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (1083632).

Almost surely, 2^11345439 is an apocalyptic number.

11345439 is a deficient number, since it is larger than the sum of its proper divisors (5992673).

11345439 is a wasteful number, since it uses less digits than its factorization.

11345439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566.

The product of its digits is 6480, while the sum is 30.

The square root of 11345439 is about 3368.2991256716. The cubic root of 11345439 is about 224.7020847264.

The spelling of 11345439 in words is "eleven million, three hundred forty-five thousand, four hundred thirty-nine".