12248405 has 8 divisors (see below), whose sum is σ = 15828792. Its totient is φ = 9044928.

The previous prime is 12248399. The next prime is 12248413. The reversal of 12248405 is 50484221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2798929 + 9449476 = 1673^2 + 3074^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12248405 - 2⁴ = 12248389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94154 + ... + 94283.

It is an arithmetic number, because the mean of its divisors is an integer number (1978599).

Almost surely, 2^12248405 is an apocalyptic number.

It is an amenable number.

12248405 is a deficient number, since it is larger than the sum of its proper divisors (3580387).

12248405 is a wasteful number, since it uses less digits than its factorization.

12248405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188455.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 12248405 is about 3499.7721354397. The cubic root of 12248405 is about 230.5118092083.

The spelling of 12248405 in words is "twelve million, two hundred forty-eight thousand, four hundred five".