12440348 has 12 divisors (see below), whose sum is σ = 21841512. Its totient is φ = 6199920.

The previous prime is 12440339. The next prime is 12440357. The reversal of 12440348 is 84304421.

It is an interprime number because it is at equal distance from previous prime (12440339) and next prime (12440357).

It is a super-2 number, since 2×12440348² = 309524516722208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3638 + ... + 6173.

It is an arithmetic number, because the mean of its divisors is an integer number (1820126).

Almost surely, 2^12440348 is an apocalyptic number.

It is an amenable number.

12440348 is a deficient number, since it is larger than the sum of its proper divisors (9401164).

12440348 is a wasteful number, since it uses less digits than its factorization.

12440348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132 (or 10130 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 12440348 is about 3527.0877505387. The cubic root of 12440348 is about 231.7096794578.

Adding to 12440348 its reverse (84304421), we get a palindrome (96744769).

The spelling of 12440348 in words is "twelve million, four hundred forty thousand, three hundred forty-eight".