12390148 has 6 divisors (see below), whose sum is σ = 21682766. Its totient is φ = 6195072.

The previous prime is 12390121. The next prime is 12390151. The reversal of 12390148 is 84109321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 611524 = 3432^2 + 782^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1548765 + ... + 1548772.

Almost surely, 2^12390148 is an apocalyptic number.

12390148 is the 1882-nd centered heptagonal number.

It is an amenable number.

12390148 is a deficient number, since it is larger than the sum of its proper divisors (9292618).

12390148 is a wasteful number, since it uses less digits than its factorization.

12390148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097541 (or 3097539 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12390148 is about 3519.9642043634. The cubic root of 12390148 is about 231.3975899331.

Adding to 12390148 its reverse (84109321), we get a palindrome (96499469).

The spelling of 12390148 in words is "twelve million, three hundred ninety thousand, one hundred forty-eight".