2113407 has 18 divisors (see below), whose sum is σ = 3149952. Its totient is φ = 1365336.

The previous prime is 2113399. The next prime is 2113417. The reversal of 2113407 is 7043112.

It is not a de Polignac number, because 2113407 - 2³ = 2113399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113417) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16578 + ... + 16704.

2^2113407 is an apocalyptic number.

2113407 is a deficient number, since it is larger than the sum of its proper divisors (1036545).

2113407 is a wasteful number, since it uses less digits than its factorization.

2113407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2113407 is about 1453.7561693764. The cubic root of 2113407 is about 128.3298580420.

Adding to 2113407 its reverse (7043112), we get a palindrome (9156519).

The spelling of 2113407 in words is "two million, one hundred thirteen thousand, four hundred seven".