12503342 has 4 divisors (see below), whose sum is σ = 18755016. Its totient is φ = 6251670.

The previous prime is 12503341. The next prime is 12503357. The reversal of 12503342 is 24330521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12503342² = 312667122337928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125834 + ... + 3125837.

It is an arithmetic number, because the mean of its divisors is an integer number (4688754).

Almost surely, 2^12503342 is an apocalyptic number.

12503342 is a deficient number, since it is larger than the sum of its proper divisors (6251674).

12503342 is an equidigital number, since it uses as much as digits as its factorization.

12503342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251673.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12503342 is about 3536.0065045189. The cubic root of 12503342 is about 232.1001227575.

Adding to 12503342 its reverse (24330521), we get a palindrome (36833863).

The spelling of 12503342 in words is "twelve million, five hundred three thousand, three hundred forty-two".