113320405 has 16 divisors (see below), whose sum is σ = 148680000. Its totient is φ = 82229760.

The previous prime is 113320397. The next prime is 113320409. The reversal of 113320405 is 504023311.

It is not a de Polignac number, because 113320405 - 2³ = 113320397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113320409) 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, 25381 + ... + 29509.

It is an arithmetic number, because the mean of its divisors is an integer number (9292500).

Almost surely, 2^113320405 is an apocalyptic number.

It is an amenable number.

113320405 is a deficient number, since it is larger than the sum of its proper divisors (35359595).

113320405 is a wasteful number, since it uses less digits than its factorization.

113320405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 113320405 is about 10645.2057284019. The cubic root of 113320405 is about 483.9153213992.

Adding to 113320405 its reverse (504023311), we get a palindrome (617343716).

The spelling of 113320405 in words is "one hundred thirteen million, three hundred twenty thousand, four hundred five".