12350440 has 16 divisors (see below), whose sum is σ = 27788580. Its totient is φ = 4940160.

The previous prime is 12350423. The next prime is 12350453. The reversal of 12350440 is 4405321.

It can be written as a sum of positive squares in 2 ways, for example, as 12264004 + 86436 = 3502^2 + 294^2 .

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, 154341 + ... + 154420.

Almost surely, 2^12350440 is an apocalyptic number.

12350440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12350440 is an abundant number, since it is smaller than the sum of its proper divisors (15438140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12350440 is a wasteful number, since it uses less digits than its factorization.

12350440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308772 (or 308768 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12350440 is about 3514.3192797468. The cubic root of 12350440 is about 231.1501307255.

Adding to 12350440 its reverse (4405321), we get a palindrome (16755761).

The spelling of 12350440 in words is "twelve million, three hundred fifty thousand, four hundred forty".