12690348 has 48 divisors (see below), whose sum is σ = 32600064. Its totient is φ = 3810240.

The previous prime is 12690343. The next prime is 12690389. The reversal of 12690348 is 84309621.

It is a super-2 number, since 2×12690348² = 322089864722208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12690343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16386 + ... + 17142.

It is an arithmetic number, because the mean of its divisors is an integer number (679168).

Almost surely, 2^12690348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12690348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16300032).

12690348 is an abundant number, since it is smaller than the sum of its proper divisors (19909716).

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

12690348 is a wasteful number, since it uses less digits than its factorization.

12690348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 12690348 is about 3562.3514705879. The cubic root of 12690348 is about 233.2515350466.

Adding to 12690348 its reverse (84309621), we get a palindrome (96999969).

The spelling of 12690348 in words is "twelve million, six hundred ninety thousand, three hundred forty-eight".