9912455 has 12 divisors (see below), whose sum is σ = 13837320. Its totient is φ = 6796944.

The previous prime is 9912421. The next prime is 9912481. The reversal of 9912455 is 5542199.

It is not a de Polignac number, because 9912455 - 2⁶ = 9912391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19985 + ... + 20474.

It is an arithmetic number, because the mean of its divisors is an integer number (1153110).

Almost surely, 2^9912455 is an apocalyptic number.

9912455 is a deficient number, since it is larger than the sum of its proper divisors (3924865).

9912455 is a wasteful number, since it uses less digits than its factorization.

9912455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40478 (or 40471 counting only the distinct ones).

The product of its digits is 16200, while the sum is 35.

The square root of 9912455 is about 3148.4051518189. The cubic root of 9912455 is about 214.8129254267.

The spelling of 9912455 in words is "nine million, nine hundred twelve thousand, four hundred fifty-five".