12151633 has 8 divisors (see below), whose sum is σ = 13113576. Its totient is φ = 11193600.

The previous prime is 12151603. The next prime is 12151637. The reversal of 12151633 is 33615121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 124609 + 12027024 = 353^2 + 3468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12151633 - 2¹³ = 12143441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12151637) 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 7 ways as a sum of consecutive naturals, for example, 10923 + ... + 11983.

It is an arithmetic number, because the mean of its divisors is an integer number (1639197).

Almost surely, 2^12151633 is an apocalyptic number.

12151633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12151633 is a deficient number, since it is larger than the sum of its proper divisors (961943).

12151633 is a wasteful number, since it uses less digits than its factorization.

12151633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955.

The product of its digits is 540, while the sum is 22.

The square root of 12151633 is about 3485.9192474870. The cubic root of 12151633 is about 229.9031287077.

Adding to 12151633 its reverse (33615121), we get a palindrome (45766754).

The spelling of 12151633 in words is "twelve million, one hundred fifty-one thousand, six hundred thirty-three".