11621602 has 4 divisors (see below), whose sum is σ = 17432406. Its totient is φ = 5810800.

The previous prime is 11621587. The next prime is 11621609. The reversal of 11621602 is 20612611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20612611 = 2029 ⋅10159.

It can be written as a sum of positive squares in only one way, i.e., 11350161 + 271441 = 3369^2 + 521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11621602.

It is not an unprimeable number, because it can be changed into a prime (11621609) 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 as a sum of consecutive naturals, namely, 2905399 + ... + 2905402.

Almost surely, 2^11621602 is an apocalyptic number.

11621602 is a deficient number, since it is larger than the sum of its proper divisors (5810804).

11621602 is an equidigital number, since it uses as much as digits as its factorization.

11621602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810803.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11621602 is about 3409.0470809304. The cubic root of 11621602 is about 226.5106707316.

The spelling of 11621602 in words is "eleven million, six hundred twenty-one thousand, six hundred two".