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12536404 = 224766683
BaseRepresentation
bin101111110100…
…101001010100
3212120220201021
4233310221110
511202131104
61124410524
7211362166
oct57645124
925526637
1012536404
117092871
124246a44
13279c1ba
141944936
151179754
hexbf4a54

12536404 has 12 divisors (see below), whose sum is σ = 22405824. Its totient is φ = 6134744.

The previous prime is 12536401. The next prime is 12536411. The reversal of 12536404 is 40463521.

It is a super-2 number, since 2×125364042 = 314322850502432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12536401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33154 + ... + 33529.

It is an arithmetic number, because the mean of its divisors is an integer number (1867152).

Almost surely, 212536404 is an apocalyptic number.

It is an amenable number.

12536404 is a deficient number, since it is larger than the sum of its proper divisors (9869420).

12536404 is a wasteful number, since it uses less digits than its factorization.

12536404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66734 (or 66732 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12536404 is about 3540.6784660570. The cubic root of 12536404 is about 232.3045198552.

Adding to 12536404 its reverse (40463521), we get a palindrome (52999925).

The spelling of 12536404 in words is "twelve million, five hundred thirty-six thousand, four hundred four".

Divisors: 1 2 4 47 94 188 66683 133366 266732 3134101 6268202 12536404